Though not as cutely-illustrated as ASAPScience’s stuff, Michael Stevens of VSauce goes into some interesting depth and detours here about the science and evolution of kissing.

Some of what he covers in this vid include: Kissing is healthy for us, it’s probably been used as a “Taste Test” part of mate-selection for well; -ever, Don’t go all Silverstone but Kissing was probably used for the world’s first and maybe healthiest baby-food, and into the darker areas of science,…